求翻译：We made extensive use of verbal protocolsin our observation studies. Analysis of the ver-bal protocols was greatly facilitated by ourgeneric model for troubleshooting, decompos-ing the task into the subtasks “formulate prob-lem description,” “generate causes,” “test,” and“repair and evaluate.” We also used the verbalpr是什么意思？

待解决 悬赏分：1 - 离问题结束还有